Pith Number

pith:QSSPF525

pith:2017:QSSPF525EEXVMMRCFBR4MIGZVG

not attested not anchored not stored refs pending

Exclusion of standard $\hbar\omega$ gravitons by LIGO observation

Richard Lieu

arxiv:1712.04437 v4 · 2017-12-12 · astro-ph.HE · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSSPF525EEXVMMRCFBR4MIGZVG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:03:09.096495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84a4f2f75d212f5632222863c620d9a9a861c5c1ed34c191f2690e34603f9bf2

Aliases

arxiv: 1712.04437 · arxiv_version: 1712.04437v4 · doi: 10.48550/arxiv.1712.04437 · pith_short_12: QSSPF525EEXV · pith_short_16: QSSPF525EEXVMMRC · pith_short_8: QSSPF525

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QSSPF525EEXVMMRCFBR4MIGZVG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 84a4f2f75d212f5632222863c620d9a9a861c5c1ed34c191f2690e34603f9bf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b715698eee922cad112c65eb0f35779de9644465d037f8a52074c4189c28774e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-12-12T18:50:12Z",
    "title_canon_sha256": "c5a80f7e796f861191c106b33bbee12c2788da0d896e130d81e00435d08d5ce7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04437",
    "kind": "arxiv",
    "version": 4
  }
}